| NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | SEE ALSO | COLOPHON | The Linux Programming Interface |
PUTPWENT(3) Linux Programmer's Manual PUTPWENT(3)
putpwent - write a password file entry
#include <stdio.h>
#include <sys/types.h>
#include <pwd.h>
int putpwent(const struct passwd *p, FILE *stream);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
putpwent(): _SVID_SOURCE
The putpwent() function writes a password entry from the structure p in the
file associated with stream.
The passwd structure is defined in <pwd.h> as follows:
struct passwd {
char *pw_name; /* username */
char *pw_passwd; /* user password */
uid_t pw_uid; /* user ID */
gid_t pw_gid; /* group ID */
char *pw_gecos; /* real name */
char *pw_dir; /* home directory */
char *pw_shell; /* shell program */
};
The putpwent() function returns 0 on success, or -1 if an error occurs.
EINVAL Invalid (NULL) argument given.
SVr4.
endpwent(3), fgetpwent(3), getpw(3), getpwent(3), getpwnam(3), getpwuid(3),
setpwent(3)
This page is part of release 3.32 of the Linux man-pages project. A
description of the project, and information about reporting bugs, can be found
at http://www.kernel.org/doc/man-pages/.
GNU 2007-07-26 PUTPWENT(3)
HTML rendering created 2010-12-03 by Michael Kerrisk, author of The Linux Programming Interface